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	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/****************************************************************************
<span class='line'>  2</span>  Copyright (c) 2010-2012 cocos2d-x.org
<span class='line'>  3</span>  Copyright (c) 2008-2010 Ricardo Quesada
<span class='line'>  4</span>  Copyright (c) 2011      Zynga Inc.
<span class='line'>  5</span> 
<span class='line'>  6</span>  http://www.cocos2d-x.org
<span class='line'>  7</span> 
<span class='line'>  8</span>  Permission is hereby granted, free of charge, to any person obtaining a copy
<span class='line'>  9</span>  of this software and associated documentation files (the "Software"), to deal
<span class='line'> 10</span>  in the Software without restriction, including without limitation the rights
<span class='line'> 11</span>  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
<span class='line'> 12</span>  copies of the Software, and to permit persons to whom the Software is
<span class='line'> 13</span>  furnished to do so, subject to the following conditions:
<span class='line'> 14</span> 
<span class='line'> 15</span>  The above copyright notice and this permission notice shall be included in
<span class='line'> 16</span>  all copies or substantial portions of the Software.
<span class='line'> 17</span> 
<span class='line'> 18</span>  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
<span class='line'> 19</span>  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
<span class='line'> 20</span>  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
<span class='line'> 21</span>  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
<span class='line'> 22</span>  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
<span class='line'> 23</span>  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
<span class='line'> 24</span>  THE SOFTWARE.
<span class='line'> 25</span>  ****************************************************************************/</span><span class="WHIT">
<span class='line'> 26</span> 
<span class='line'> 27</span> </span><span class="COMM">/**
<span class='line'> 28</span>  @brief This action simulates a page turn from the bottom right hand corner of the screen.
<span class='line'> 29</span>  It's not much use by itself but is used by the PageTurnTransition.
<span class='line'> 30</span> 
<span class='line'> 31</span>  Based on an original paper by L Hong et al.
<span class='line'> 32</span>  http://www.parc.com/publication/1638/turning-pages-of-3d-electronic-books.html
<span class='line'> 33</span> 
<span class='line'> 34</span>  @since v0.8.2
<span class='line'> 35</span>  */</span><span class="WHIT">
<span class='line'> 36</span> 
<span class='line'> 37</span> </span><span class="NAME">cc.PageTurn3D</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">cc.Grid3DAction.extend</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 38</span> </span><span class="WHIT">    </span><span class="COMM">/*
<span class='line'> 39</span>      * Update each tick
<span class='line'> 40</span>      * Time is the percentage of the way through the duration
<span class='line'> 41</span>      */</span><span class="WHIT">
<span class='line'> 42</span> </span><span class="WHIT">    </span><span class="NAME">update</span><span class="PUNC">:</span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">time</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 43</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tt</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.max</span><span class="PUNC">(</span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">time</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NUMB">0.25</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">deltaAy</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">tt</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">tt</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NUMB">500</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">ay</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NUMB">100</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">deltaAy</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 46</span> 
<span class='line'> 47</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">deltaTheta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="NAME">Math.PI</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">Math.sqrt</span><span class="PUNC">(</span><span class="NAME">time</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">theta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="COMM">/*0.01f */</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="NAME">Math.PI</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">2</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">deltaTheta</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 49</span> 
<span class='line'> 50</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">sinTheta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.sin</span><span class="PUNC">(</span><span class="NAME">theta</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">cosTheta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.cos</span><span class="PUNC">(</span><span class="NAME">theta</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 52</span> 
<span class='line'> 53</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">this._gridSize.x</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="PUNC">++</span><span class="NAME">i</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 54</span> </span><span class="WHIT">            </span><span class="KEYW">for</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">j</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">this._gridSize.y</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="PUNC">++</span><span class="NAME">j</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT">                </span><span class="COMM">// Get original vertex</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">p</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.originalVertex</span><span class="PUNC">(</span><span class="NAME">cc.g</span><span class="PUNC">(</span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">j</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 57</span> 
<span class='line'> 58</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">R</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.sqrt</span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">p.x</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">p.x</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="PUNC">(</span><span class="NAME">p.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">ay</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">p.y</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">ay</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">r</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">R</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">sinTheta</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">alpha</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.asin</span><span class="PUNC">(</span><span class="NAME">p.x</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">R</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">beta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">alpha</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">sinTheta</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">                </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">cosBeta</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Math.cos</span><span class="PUNC">(</span><span class="NAME">beta</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 63</span> 
<span class='line'> 64</span> </span><span class="WHIT">                </span><span class="COMM">// If beta > PI then we've wrapped around the cone</span><span class="WHIT">
<span class='line'> 65</span> </span><span class="WHIT">                </span><span class="COMM">// Reduce the radius to stop these points interfering with others</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">beta</span><span class="WHIT"> </span><span class="PUNC">&lt;=</span><span class="WHIT"> </span><span class="NAME">Math.PI</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">                    </span><span class="NAME">p.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">r</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">Math.sin</span><span class="PUNC">(</span><span class="NAME">beta</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 69</span> </span><span class="WHIT">                </span><span class="KEYW">else</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 70</span> </span><span class="WHIT">                    </span><span class="COMM">// Force X = 0 to stop wrapped</span><span class="WHIT">
<span class='line'> 71</span> </span><span class="WHIT">                    </span><span class="COMM">// points</span><span class="WHIT">
<span class='line'> 72</span> </span><span class="WHIT">                    </span><span class="NAME">p.x</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 74</span> 
<span class='line'> 75</span> </span><span class="WHIT">                </span><span class="NAME">p.y</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">R</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NAME">ay</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NAME">r</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">cosBeta</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">sinTheta</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 76</span> 
<span class='line'> 77</span> </span><span class="WHIT">                </span><span class="COMM">// We scale z here to avoid the animation being</span><span class="WHIT">
<span class='line'> 78</span> </span><span class="WHIT">                </span><span class="COMM">// too much bigger than the screen due to perspectve transform</span><span class="WHIT">
<span class='line'> 79</span> </span><span class="WHIT">                </span><span class="NAME">p.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">r</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">cosBeta</span><span class="WHIT"> </span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">*</span><span class="WHIT"> </span><span class="NAME">cosTheta</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NUMB">7</span><span class="PUNC">;</span><span class="COMM">// "100" didn't work for</span><span class="WHIT">
<span class='line'> 80</span> 
<span class='line'> 81</span> </span><span class="WHIT">                </span><span class="COMM">//	Stop z coord from dropping beneath underlying page in a transition</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT">                </span><span class="COMM">// issue #751</span><span class="WHIT">
<span class='line'> 83</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">p.z</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NUMB">0.5</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 84</span> </span><span class="WHIT">                    </span><span class="NAME">p.z</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0.5</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 85</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 86</span> 
<span class='line'> 87</span> </span><span class="WHIT">                </span><span class="COMM">// Set new coords</span><span class="WHIT">
<span class='line'> 88</span> </span><span class="WHIT">                </span><span class="NAME">this.setVertex</span><span class="PUNC">(</span><span class="NAME">cc.g</span><span class="PUNC">(</span><span class="NAME">i</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">j</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">p</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 89</span> 
<span class='line'> 90</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 91</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 93</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 94</span> 
<span class='line'> 95</span> </span><span class="COMM">/** create the action */</span><span class="WHIT">
<span class='line'> 96</span> </span><span class="NAME">cc.PageTurn3D.create</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">gridSize</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">time</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 97</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">action</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">cc.PageTurn3D</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 98</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">action</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 99</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>100</span> </span></pre></body></html>